255463340 has 48 divisors (see below), whose sum is σ = 591089184. Its totient is φ = 91968000.

The previous prime is 255463289. The next prime is 255463367. The reversal of 255463340 is 43364552.

It is a junction number, because it is equal to n+sod(n) for n = 255463297 and 255463306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16472 + ... + 27968.

It is an arithmetic number, because the mean of its divisors is an integer number (12314358).

Almost surely, 2^255463340 is an apocalyptic number.

255463340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255463340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295544592).

255463340 is an abundant number, since it is smaller than the sum of its proper divisors (335625844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255463340 is a wasteful number, since it uses less digits than its factorization.

255463340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11618 (or 11616 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 255463340 is about 15983.2205765922. The cubic root of 255463340 is about 634.5164152527.

The spelling of 255463340 in words is "two hundred fifty-five million, four hundred sixty-three thousand, three hundred forty".